Go with the 32" Vizio LCD at Wal-Mart. I wouldnt recommend the plasma though, or any plasma for that matter.Open box and Sam's or Costo are a good idea.
Vizios don't look that bad from what I've seen and $400 is definitely in my budget.
Are you in college in NC or high school?
Pics of your poosy?I'm think some where from mid 20's to about 32". I think any larger would be too big.